1.The earths inner core is composed mostly of:
a)solid simatic rock
b)solid iron nickel
c)liquid iron and nickel
d)none of these
2. ketabatic winds are produced by:
a) pressure gradient
b) gravity
c) adiabatic cooling of ascending air
d) none of these
3.The distinguishing difference between the asthenosphere and lithosphere is their:
a)density
b)degree of rigidity
c)chemical composition
d)none of these
4.The mean velocity of the earth in its orbit is about:
a)50,000 mi per hour
b)66,600 mi per hour
c)95,000 mi per hour
d)none of these
5.The mean distance between the earth and sun is about:
a)90 million miles
b)93 million milesc)95 million miles
d)None of these
6. The prime meridian is referred to as the:
a)Meridian of Greenwich
b)Meridian of East
c)Meridian of West
d)none of these
7. The equatorial Mercator is the only one of all known projections on which all Rhumb lines are true:
a)straight lines
b)semi-circles
c)triangles
d)none of these
8. The arctic circle is at:
a)23 ½ N lat
b)45 N lat
c)66 ½ N lat
d)none of these
9. The vernal equinox occurs on:
a) March 20
b) june 21
c) September 23
d)none of these
10. The percentage of radiant energy reflected back by a surface is termed the:
a)Albedlo
b)Al-Nino
c) La-Nino
d) none of these
11. Over the equatorial bough of low pressure lying roughly between 5 N and 5 S latitude is the equatorial belt of variable winds and calms, or the:
a)Cyclone
b)Doldrums
c)Westerlies
d) none of these
12. The term humidity simply refers to the degree to which water vapour is present in the:
a)ground
b)air
c)vegetation
d)None of these
13. Advection fog results from the movement of warm moist air over a:
a)cold ground surface
b)hot ground surface
c)semi-hot ground surface
d)None of these
14. Sheet as the term is used in the united states consists of pellets of ice produced from freezing of:
a)rain
b) snow
c) wind
d)None of these
15.Radiation coming from the sun is:
a)long wave
b)short wave
c)medium wave
d)None of these
16.The hurricane or typhoon develops over oceans in latitudes:
a)8 to 15 N and S
b)20 to 35 N and S
c)40 to 60 N and Sd)None of these
17. Troposphere is the:
a) Lowermost atmosphere layer
b) The middle atmosphere layer
c)Highest atmosphere layer
d)None of these
18.The Gulf Stream in the Atlantic Ocean is a:
a) Cold Ocean Current
b) Warm ocean current
c) semi-cold ocean current
d)none of these
19. The word peneplain is given to a land surface of:
a) joint relief
b) sharp relief
c) no relief
d)None of these
20. The coriolis force is produced by:
a) earth rotation
b) wind action
c)water action
d)None of these